Traffic++ allows you to add custom vehicle and speed restrictions to your road network...


The road customiser button is on the right-side of the main toolbar, near the policy button. It has a picture of a car with a speed sign over it. Click it to activate the customiser tool.

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Hover the mouse over a road and it's lanes will be outlined in blue. Click a lane to select it (it goes green), clicking a second time de-selects it (it goes back to blue).

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You can select multiple lanes - just click other lanes to add them to the selection; they can be anywhere on the map, any type of road. Right clicking (left click if using left handed mouse) anywhere on screen will clear all current lane selections.

Any customisations you make will be applied to all currently selected lanes.


With one or more lanes selected, choose what can drive on them by clicking the vehicles on the menu bar:

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The restrictions will be set for all lanes currently selected.

The emergency service vehicles have an additional mode - if the lights are flashing on the icon, it means they can only use the road if they are currently responding to an emergency (when the lights are flashing on the vehicle on your map). For example, a fire truck could use the road when going to put out a fire, but on it's way back it will have to find a different route.


See this guide:

http://gtm.steamproxy.vip/sharedfiles/filedetails/?id=459007041

In future releases, we hope to implement the following features: MPH option for speed, different speed sign designs (eg. American format, Japanese format...), on-road speed markings, and updated roadside speed designs.


I can't see the road customiser button...

See main FAQ.

Do I need to set both the vehicle and the speed restrictions?

No, you can set them independently, one or the other, or both. It's up to you.

Vehicle restrictions being ignored by traffic...

It take a while for your cims to update their sat navs, sometimes a few minutes depending on the size of your city. We'll try and make this better in future releases.

If you want immediate results, you can use the "Despawn" option provided by Traffic Manager mod – this clears all existing traffic, and any new traffic that appears will know about the changes you made.

I made a road faster but vehicles aren't moving faster...

Each type of vehicle has a top speed and can't go any faster, even if your roads allow it.

Why can't I set unlimited speed?

The game can't really handle it due to the way vehicles are moved around the map.

Do my cims prefer faster roads?

Cims prefer the fastest route, so generally they'll try and use the fastest lanes. But they might still use a shorter slow road if it gets them to their destination faster than a long fast road.

I might as well just set all roads to fastest speed?

You can if you want, up to you. But we might add disadvantages to doing so (like increased noise pollution) in future releases.

Although, having said that, there are some great reasons to turn the speed dial up to 11:

https://www.youtube.com/watch?v=Efn0GcMT2LQ
I've set fast speeds and now all my roads are jammed

Fast roads are like a magnet to traffic. So if you make a road much faster than surrounding roads, all your cims will try and get to the fast road... more traffic heading to same place = traffic jams!

What are the common mistakes?

The main mistake you could make is having bits of road that a certain type of vehicle can't get to.

For example, you might allow emergency vehicles on the road outside your hospital, but if the roads around it restrict them you're ambulances aren't going to get very far.

We're hoping to improve the UI in future release to make it easier to see what restrictions have been applied to roads.